Problem to Read maptools Help

Dear researchers
I download the new version of R 2.10.1 and I have a problem to read maptools
Help as the older version

thanks for attention
Gianni

library(maptools)

Carico il pacchetto richiesto: foreign
Carico il pacchetto richiesto: sp
Carico il pacchetto richiesto: lattice

?maptools

No documentation for 'maptools' in specified packages and libraries:
you could try '??maptools'

The function is removed from the namespace and its help page is removed 
to:

file.show(system.file("old_man/maptools.Rd", package="maptools"))

To use the function, do:

maptools:::maptools()

if you must, but you can more easily use:

packageDescription("maptools")

to find out what the package version is. It has been made redundant by 
packages now using Changelogs, so:

file.show(system.file("ChangeLog", package="maptools"))

automatically shows which changes have been made and when.

Hope this helps,

Roger

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